* {
    margin: 0;
    padding: 0;
}
a{
    color: #FFFFFF;
    text-decoration: none;
}
body{
    background-repeat: no-repeat;
    background-size: 100%;
}

.nav{
    height: 48px;
    width: 70%;
    margin: 0 auto;
}
.nav img{
    float: left;
    margin-right: 10px;
}
.nav li{
    float: left;
    list-style: none;
    padding: 0 5px;
    line-height: 48px;
}
.nav li:not(:first-child){
    margin-left: 25px;
}
.nav li>a:hover{
    color: #FF941A;
}
.nav .btn{
   float: right;
   margin: 8px 0;
}
.bth a{
    width: 100%;
    height: 100%;
    display: inline;
}
.nav span{
    display:inline-block;
    width: 80px;
    height: 30px;
    text-align:center;
    line-height: 30px;
    border-radius:15px 15px 15px 15px;
    border:1px solid #1EA0FA;
    margin-right: 15px;
}
.btn>span:first-child{
    background-color: #1EA0FA;
    color: #FFFFFF;
}
.btn>span:first-child:hover{
    background-color: #FFFFFF;
    color: #1EA0FA;
}
.btn>span:last-child{
    background-color: #2B3A57;
    color: #1EA0FA;
}
.btn>span:last-child:hover{
    background-color: #1EA0FA;
    color: #FFFFFF;
}

.clearfix::before,.clearfix::after{
    content: '';
    display: table;
    clear: both;
}


.content{
    width: 400px;
    margin:0 auto;
    margin-top: 300px;
}
.content h1{
    color: #DBDBDB;
}
.content span{
    font-size: 20px;
    color: #FFFFFF;
    display:inline-block;
    width: 150px;
    height: 50px;
    text-align:center;
    line-height: 50px;
    border-radius:25px 25px 25px 25px;
    margin-left: 20px;
}
.content span:nth-child(3){
    background-color: #FF941A;
    color: #FFFFFF;
}
.content span:nth-child(4){
    background-color: #27C484;
    color: #FFFFFF;
}

.login-form{
    width: 400px;
    padding-bottom: 20px;
    margin: 0 auto;
    margin-top: 100px;
    background-color: #FFFFFF;
    border-radius: 15px 15px 15px 15px;
}
.login-form h1{
    color: #FA9111;
    padding-top: 20px;
    padding-bottom: 20px;
    margin-left: 20px;
}
.login-form a{
    color: blue;
    margin-left: 15%;
    text-decoration: none;
}
.login-form input{
    width: 70%;
    height: 40px;
    font-size: 20px;
    display:block;
    margin:20px auto;
}
.login-form > p{
    color: red;
    margin-left: 60px;
    display: none;
}
#username,#password,#email{
    border-top: 0;
    border-left: 0;
    border-right: 0;
    outline: none;
}
#login-submit,#register-submit{
    border: 0;
    border-radius: 20px 20px 20px 20px;
    background-color: #FA911E;
    color: #FFFFFF;
}
#login-submit:hover,#register-submit:hover{
    background-color: #F08200;
}
#goto-register,#goto-login{
    border: 0;
    border-radius: 20px 20px 20px 20px;
    background-color:#FFFFFF;
    color: #FA911E;
}
#goto-register:hover,#goto-login:hover{
    background-color: #DEE1E6;
    color: #F08200;
}